IMPACT OF PAIN, FATIGUE E SLEEP QUALITY REDUCTION IN UPPER LIMB FUNCTIONALITY AFTER SMARTPHONE USE

Pithon K1, Correia F1, Soares J1, Matos R1, Assunção PL1
1Universidade Estadual do Sudoeste da Bahia, Departamento de Saúde I, Jequié, Brazil

Background: Smartphone has become popular around the world, it is a tool that allows us access, specially to social midia, apps and games. The time of smartphone use can reach up to six hours, which implies in a longer time of the upper limb osteomioarticular structures use, which can result in clinical symptoms.

Purpose: To assess the relation between pain, fatigue and sleep quality reduction with upper limb member functionality, influenced by university students smartphone use.

Methods: A Sectional, descriptive and analytical study was performed at the State University of Southwestern Bahia (UESB) - northeast of Brazil, between December 2017 and August 2018. University students from fourteen undergraduate courses participated of research, with no age limited, both sex, and smartphones user. A sample of 184 students was selected for convenience. The instruments applied were:
a) sociodemographic questions, upper limb pain report and smartphone use profile;
b) Disabilities of the arm, shoulder and hand (DASH) and
c) specific questions (thirteen, twenty-three and twenty-six) from Smartphone Addiction Inventory (SPAI).
Data were analyzed using descriptive statistics and Person Correlation Coefficient, with a significance level of 5%. The analysis was performed in Stata (R) software version 12.0.

Results: A total of 184 students, 38.0% men and 62.0% women, with mean age of 22.6 ± 3.3 years, using smartphones to access to social networks (75.0%), messaging applications (90.8%) and internet page (54.9%). It was observed that 46.2% of the students reported pain in the upper limb and neck, 54.1% felt some kind backpain or eyes discomfort, 33.3% said that smartphones use reduced the sleep quality and total time of sleep and 19.7% felt tired. The median Dash score was 8.3, with interquartil inteval of 13,3. There was a weak and positive correlation between DASH scores and upper limb and neck pain (p = 0.0457), fell backpain or eyes discomfort (p = 0.0000), reduction in quality and total time of sleep ( p = 0.0074) and fatigue (p = 0.0097).

Conclusion(s): University students who feel pain, have reduced time of sleep, bad sleep quality and feel tired due to smartphones use show worse functionality of the upper limb.

Implications: The smartphone use, ussually, results in pain, reduced sleep quality and fatigue and it can lead to greater functional disability of the upper limb. Thus, physiotherapists should be aware of excessive smartphone use during young patients assessment.

Keywords: Smartphone, upper limb, musculoskeletal

Funding acknowledgements: no

Topic: Musculoskeletal: upper limb; Musculoskeletal; Human movement analysis

Ethics approval required: Yes
Institution: Faculdade Independente do Nordeste
Ethics committee: Ethics Committee of Faculdade Independente do Nordeste
Ethics number: 2221964


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